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Diffstat (limited to 'src/view/com/posts/Feed.tsx')
-rw-r--r-- | src/view/com/posts/Feed.tsx | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/src/view/com/posts/Feed.tsx b/src/view/com/posts/Feed.tsx new file mode 100644 index 000000000..370a72e69 --- /dev/null +++ b/src/view/com/posts/Feed.tsx @@ -0,0 +1,43 @@ +import React from 'react' +import {observer} from 'mobx-react-lite' +import {Text, View, FlatList} from 'react-native' +import {FeedViewModel, FeedViewItemModel} from '../../../state/models/feed-view' +import {FeedItem} from './FeedItem' +import {useStores} from '../../../state' + +export const Feed = observer(function Feed({feed}: {feed: FeedViewModel}) { + const store = useStores() + + // TODO optimize renderItem or FeedItem, we're getting this notice from RN: -prf + // VirtualizedList: You have a large list that is slow to update - make sure your + // renderItem function renders components that follow React performance best practices + // like PureComponent, shouldComponentUpdate, etc + const renderItem = ({item}: {item: FeedViewItemModel}) => ( + <FeedItem item={item} /> + ) + const onRefresh = () => { + feed.refresh().catch(err => console.error('Failed to refresh', err)) + } + const onEndReached = () => { + feed.loadMore().catch(err => console.error('Failed to load more', err)) + } + return ( + <View> + {feed.isLoading && !feed.isRefreshing && !feed.hasContent && ( + <Text>Loading...</Text> + )} + {feed.hasError && <Text>{feed.error}</Text>} + {feed.hasContent && ( + <FlatList + data={feed.feed.slice()} + keyExtractor={item => item._reactKey} + renderItem={renderItem} + refreshing={feed.isRefreshing} + onRefresh={onRefresh} + onEndReached={onEndReached} + /> + )} + {feed.isEmpty && <Text>This feed is empty!</Text>} + </View> + ) +}) |